The product is a lot of 6 Keyence FS-N41P Fiber Optic Sensor Amplifiers with FU-A05. These amplifiers are designed to operate on DC current and feature digital output type. The sensor type is electromechanical, and the fiber optic type is plastic. The model number for this product is FS-N41P, and it is suitable for industrial automation and motion control applications. Keyence is a reliable brand known for producing high-quality sensor products.